WO1994015534A1 - Vasoocclusion device containing radiopaque fibers - Google Patents

Vasoocclusion device containing radiopaque fibers Download PDF

Info

Publication number
WO1994015534A1
WO1994015534A1 PCT/US1993/012515 US9312515W WO9415534A1 WO 1994015534 A1 WO1994015534 A1 WO 1994015534A1 US 9312515 W US9312515 W US 9312515W WO 9415534 A1 WO9415534 A1 WO 9415534A1
Authority
WO
WIPO (PCT)
Prior art keywords
fibers
braided
radiopaque
radiolucent
tubular member
Prior art date
Application number
PCT/US1993/012515
Other languages
English (en)
French (fr)
Inventor
Erik T. Engelson
Gene Samson
Original Assignee
Target Therapeutics, Inc.
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Target Therapeutics, Inc. filed Critical Target Therapeutics, Inc.
Priority to EP94905949A priority Critical patent/EP0679069B1/en
Priority to AU59858/94A priority patent/AU669054B2/en
Priority to AT94905949T priority patent/ATE224673T1/de
Priority to DE69332341T priority patent/DE69332341T2/de
Publication of WO1994015534A1 publication Critical patent/WO1994015534A1/en

Links

Classifications

    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B17/00—Surgical instruments, devices or methods
    • A61B17/12—Surgical instruments, devices or methods for ligaturing or otherwise compressing tubular parts of the body, e.g. blood vessels or umbilical cord
    • A61B17/12022—Occluding by internal devices, e.g. balloons or releasable wires
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B17/00—Surgical instruments, devices or methods
    • A61B17/12—Surgical instruments, devices or methods for ligaturing or otherwise compressing tubular parts of the body, e.g. blood vessels or umbilical cord
    • A61B17/12022—Occluding by internal devices, e.g. balloons or releasable wires
    • A61B17/12099—Occluding by internal devices, e.g. balloons or releasable wires characterised by the location of the occluder
    • A61B17/12109—Occluding by internal devices, e.g. balloons or releasable wires characterised by the location of the occluder in a blood vessel
    • A61B17/12113—Occluding by internal devices, e.g. balloons or releasable wires characterised by the location of the occluder in a blood vessel within an aneurysm
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B17/00—Surgical instruments, devices or methods
    • A61B17/12—Surgical instruments, devices or methods for ligaturing or otherwise compressing tubular parts of the body, e.g. blood vessels or umbilical cord
    • A61B17/12022—Occluding by internal devices, e.g. balloons or releasable wires
    • A61B17/12131—Occluding by internal devices, e.g. balloons or releasable wires characterised by the type of occluding device
    • A61B17/12168—Occluding by internal devices, e.g. balloons or releasable wires characterised by the type of occluding device having a mesh structure
    • A61B17/12172—Occluding by internal devices, e.g. balloons or releasable wires characterised by the type of occluding device having a mesh structure having a pre-set deployed three-dimensional shape
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B17/00—Surgical instruments, devices or methods
    • A61B17/12—Surgical instruments, devices or methods for ligaturing or otherwise compressing tubular parts of the body, e.g. blood vessels or umbilical cord
    • A61B17/12022—Occluding by internal devices, e.g. balloons or releasable wires
    • A61B17/12131—Occluding by internal devices, e.g. balloons or releasable wires characterised by the type of occluding device
    • A61B17/12168—Occluding by internal devices, e.g. balloons or releasable wires characterised by the type of occluding device having a mesh structure
    • A61B17/12177—Occluding by internal devices, e.g. balloons or releasable wires characterised by the type of occluding device having a mesh structure comprising additional materials, e.g. thrombogenic, having filaments, having fibers or being coated
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B90/00—Instruments, implements or accessories specially adapted for surgery or diagnosis and not covered by any of the groups A61B1/00 - A61B50/00, e.g. for luxation treatment or for protecting wound edges
    • A61B90/39—Markers, e.g. radio-opaque or breast lesions markers
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61M—DEVICES FOR INTRODUCING MEDIA INTO, OR ONTO, THE BODY; DEVICES FOR TRANSDUCING BODY MEDIA OR FOR TAKING MEDIA FROM THE BODY; DEVICES FOR PRODUCING OR ENDING SLEEP OR STUPOR
    • A61M25/00—Catheters; Hollow probes
    • A61M25/0043—Catheters; Hollow probes characterised by structural features
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61M—DEVICES FOR INTRODUCING MEDIA INTO, OR ONTO, THE BODY; DEVICES FOR TRANSDUCING BODY MEDIA OR FOR TAKING MEDIA FROM THE BODY; DEVICES FOR PRODUCING OR ENDING SLEEP OR STUPOR
    • A61M25/00—Catheters; Hollow probes
    • A61M25/01—Introducing, guiding, advancing, emplacing or holding catheters
    • A61M25/0105—Steering means as part of the catheter or advancing means; Markers for positioning
    • A61M25/0108—Steering means as part of the catheter or advancing means; Markers for positioning using radio-opaque or ultrasound markers

Definitions

  • This invention is a vasoocclusive device. More particularly, it is a tubular vasoocclusion braid woven from at least radiopaque fibers. The braid may also be partially woven from radiolucent fibers.
  • the device may contain a fibrous center or wick in its interior. The device may be continuous or segmented and a fibrous covering or element may be attached.
  • the inventive vasoocclusive braid is desireable in that the ratio of fibrous material to metallic material is quite high, the fibrous material is held firmly in place due to the braided or woven configuration, and is easily placed within the body's vasculature.
  • the wire may also be any of a variety of stainless steels but may be made of other appropriate materials including shape memory or highly elastic alloys such as nickel-titanium alloys (48-58 atomic % nickel and optionally containing modest amounts of iron) ; copper- zinc alloys (38.5-41.5 weight % zinc); copper-zinc alloys containing 1-10 weight % of beryllium, silicon, tin, aluminum, or gallium; or nickel-aluminum alloys (36-38 atomic % aluminum) . Particularly pre erred are the alloys described in U.S. Pat Nos. 3,174,851, 3,351,463, and 3,753,700. Especially preferred is the Ti-Ni alloy known as nitinol. Nitinol wire having the proper transition temperature allows the device to be introduced through the catheter in a linear fashion and upon raising the temperature of the vasoocclusive braid to body temperature, the wire in that braid assumes its pre- selected shape.
  • shape memory or highly elastic alloys such as nickel-titan
  • the radiolucent fibers may be made from biocompatible materials such as Dacron (polyester) , polyglycolic acid, polylactic acid, fluoropolymers (polytetrafluoroethylene) , Nylon (polyamide) , or silk.
  • the strands forming the braid should be reasonably heavy, e.g., having tensile strength of greater than about 0.15 pounds.
  • Preferred materials are Dacron strands.
  • the fibrous elements incorporated into the braid may be a bundle of individual fibers, e.g., between 5 and 100 fibers per fibrous bundle, preferably 20 to 30 fibers per bundle, or may be monofilaments.
  • the braided occlusion devices may be made in a variety of ways, as should be apparent from the discussion above.
  • the devices may be strung on a guidewire or other similar device for installation, necessitating that the braided tubular device have open ends for passage of the guidewires. The ends may be closed if so desired.
  • the ultimate shape of the device is a matter of choice. We contemplate that it may be straight, as introduced into the body lumen, or may be "C" shaped, circular, figure "8", random, or any other shape desirable to the physician user in view of the physical situation to be resolved.

Landscapes

  • Health & Medical Sciences (AREA)
  • Surgery (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • General Health & Medical Sciences (AREA)
  • Veterinary Medicine (AREA)
  • Vascular Medicine (AREA)
  • Engineering & Computer Science (AREA)
  • Biomedical Technology (AREA)
  • Heart & Thoracic Surgery (AREA)
  • Medical Informatics (AREA)
  • Molecular Biology (AREA)
  • Animal Behavior & Ethology (AREA)
  • Reproductive Health (AREA)
  • Public Health (AREA)
  • Nuclear Medicine, Radiotherapy & Molecular Imaging (AREA)
  • Neurosurgery (AREA)
  • Media Introduction/Drainage Providing Device (AREA)
  • Surgical Instruments (AREA)
  • Television Systems (AREA)
  • Television Signal Processing For Recording (AREA)
  • Prostheses (AREA)
  • Medicines Containing Antibodies Or Antigens For Use As Internal Diagnostic Agents (AREA)
  • Materials For Medical Uses (AREA)
  • Glass Compositions (AREA)
  • Apparatus For Radiation Diagnosis (AREA)
PCT/US1993/012515 1993-01-15 1993-12-22 Vasoocclusion device containing radiopaque fibers WO1994015534A1 (en)

Priority Applications (4)

Application Number Priority Date Filing Date Title
EP94905949A EP0679069B1 (en) 1993-01-15 1993-12-22 Vasoocclusion device containing radiopaque fibers
AU59858/94A AU669054B2 (en) 1993-01-15 1993-12-22 Vasoocclusion device containing radiopaque fibers
AT94905949T ATE224673T1 (de) 1993-01-15 1993-12-22 Vorrichtung zum gefässverschluss mit röntgenkontrastfasern
DE69332341T DE69332341T2 (de) 1993-01-15 1993-12-22 Vorrichtung zum gefässverschluss mit röntgenkontrastfasern

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US08/005,478 1993-01-15
US08/005,478 US5423849A (en) 1993-01-15 1993-01-15 Vasoocclusion device containing radiopaque fibers

Publications (1)

Publication Number Publication Date
WO1994015534A1 true WO1994015534A1 (en) 1994-07-21

Family

ID=21716084

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/US1993/012515 WO1994015534A1 (en) 1993-01-15 1993-12-22 Vasoocclusion device containing radiopaque fibers

Country Status (11)

Country Link
US (1) US5423849A (enrdf_load_stackoverflow)
EP (1) EP0679069B1 (enrdf_load_stackoverflow)
JP (1) JP2548514B2 (enrdf_load_stackoverflow)
AT (1) ATE224673T1 (enrdf_load_stackoverflow)
AU (1) AU669054B2 (enrdf_load_stackoverflow)
CA (1) CA2113587A1 (enrdf_load_stackoverflow)
DE (1) DE69332341T2 (enrdf_load_stackoverflow)
ES (1) ES2184757T3 (enrdf_load_stackoverflow)
IL (1) IL108182A0 (enrdf_load_stackoverflow)
TW (1) TW240165B (enrdf_load_stackoverflow)
WO (1) WO1994015534A1 (enrdf_load_stackoverflow)

Cited By (12)

* Cited by examiner, † Cited by third party
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EP0702976A1 (en) * 1994-09-21 1996-03-27 Cordis Europa N.V. MR-visible catheter with elements of paramagnetic material
EP0797405A4 (en) * 1994-12-13 1998-01-14 Micro Interventional Systems I EMBOLIC ELEMENTS, TECHNIQUES, AND POSITIONING DEVICE
EP0826342A1 (en) * 1996-08-30 1998-03-04 Target Therapeutics, Inc. Electrolytically deployable braided vaso-occlusion device
WO1999040852A1 (en) * 1998-02-13 1999-08-19 Boston Scientific Limited Vaso-occlusive device with attached polymeric fibres
EP0894481A3 (en) * 1997-08-01 1999-11-24 Schneider (Usa) Inc. Radiopaque markers and method of using the same
DE19952505A1 (de) * 1999-10-29 2001-05-03 Gerd Hausdorf Expandierbarer Ballon mit technisch sichtbar zu machender, mit einem Muster versehener Hülle
WO2003013587A1 (fr) * 2001-08-03 2003-02-20 Yasuhiko Tabata Compositions pour l'occlusion vasculaire
FR2832307A1 (fr) * 2001-11-19 2003-05-23 Sofradim Production Dispositif d'occlusion d'un conduit corporel, notamment d'une veine variqueuse
DE102005007341A1 (de) * 2005-02-17 2006-08-24 Kasprzak, Piotr, Dr. Stentprothese für die Gefäßchirurgie insbesondere im Bereich des Aortenbogens
AU2005299369B2 (en) * 2004-10-25 2012-01-12 Covidien Lp Yarns containing filaments made from shape memory alloys
US8388643B2 (en) 1999-09-27 2013-03-05 The Regents Of The University Of California Bioabsorbable polymeric implants and a method of using the same to create occlusions
EP3398534A4 (en) * 2015-12-28 2019-08-07 Lifetech Scientific (Shenzhen) Co., Ltd. occluder

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AU5985894A (en) 1994-08-15
DE69332341D1 (de) 2002-10-31
CA2113587A1 (en) 1994-07-16
EP0679069A4 (en) 1996-07-24
EP0679069A1 (en) 1995-11-02
TW240165B (enrdf_load_stackoverflow) 1995-02-11
ATE224673T1 (de) 2002-10-15
AU669054B2 (en) 1996-05-23
IL108182A0 (en) 1994-04-12
JPH0759787A (ja) 1995-03-07
EP0679069B1 (en) 2002-09-25
US5423849A (en) 1995-06-13
DE69332341T2 (de) 2003-01-23
JP2548514B2 (ja) 1996-10-30
ES2184757T3 (es) 2003-04-16

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